/Engine/Plugins/Animation/ControlRig/Source/ControlRig/Public/Units/Control/RigUnit_Control.h
Combine Transform and Base to make the resultant transform
static FTransform StaticGetResultantTransform ( const [FEulerTransform](API\Runtime\AnimationCore\FEulerTransform) & InTransform, const FTransform & InBase, const [FTransformFilter](API\Runtime\AnimationCore\FTransformFilter) & InFilter )